Once you are on the official Canon support page for the Canon F166 400, you will see a menu listing different drivers for a variety of operating systems. Choose the one that matches your computer exactly.
In the search bar, type your (e.g., "LBP6030"). Download Driver Printer Canon F166 400
Before downloading, confirm that your operating system is supported. The official drivers for this hardware series support a wide range of platforms: Once you are on the official Canon support